Home / 15,156.80-22,738.84-4,768.56

Finding the Fourth Proportional to 15,156.80, 22,738.84 and 4,768.56

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Solution

The fourth proportional to 15,156.80, 22,738.84 and 4,768.56 is: 7,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.80 : 22,738.84 = 4,768.56 : x
  2. Step 2: Convert to fraction form
    15,156.80/22,738.84 = 4,768.56/x
  3. Step 3: Cross multiply
    15,156.80x = 22,738.84 × 4,768.56
  4. Step 4: Simplify right side
    15,156.80x = 108,431,522.87
  5. Step 5: Solve for x
    x = 108,431,522.87/15,156.80
  6. Step 6: Final answer
    x = 7,153.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.